Questions tagged [rac]

Oracle Real Application Clusters (RAC) is an option for Oracle Databases. It is a cluster database with a shared cache architecture that increases scalability and availability. Oracle RAC support is included in the Oracle Database Standard Edition and is an extra cost option for Enterprise Edition.

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Unable to connect to specific instance of Oracle RAC

I did several operations by connecting successfully to all 4 instances but suddenly during one of the jobs, it failed with a TNS error. I checked the connect from SQL and one of the nodes is giving an ...
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2 Different Oracle DB Version on same server

Is it possible to install and run 2 different oracle version(11g and 12c)software and db on same server? is it possible then how we can? and if not then why? Thanks Rahul Joshi